Board straighter



FIG. 1 is a front right isometric view of a board straighter showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is an enlarged size top plan view thereof;

FIG. 4 is an enlarged size bottom plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a back elevation view. 

The ornamental design for a board straighter, as shown. 